Sealed Power L2323F30: 455ci Stock-Type Pistons, .030" Overbore Piston Dia.: 4.155"
Oldsmobile Stock-Type Pistons
455ci Stock-Type Pistons, .030'' Overbore Piston Dia.: 4.155'' Piston Top: -18cc Dish Pressed Pin Comp Ratio: 10.83:1 w/62.5cc Heads, 9.32:1 w/80cc Heads Ring Grooves: 5/64'', 5/64'', 3/16'' Set of 8